There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 12PM to 10AM | 3AM to 10AM | 12PM to 10PM |
| 11PM to 12PM | 9PM to 5AM | 5PM to 11PM |
| 7PM to 6AM | 4AM to 6AM | 2AM to 12PM |
| 1PM to 12PM | 7PM to 6AM | 12PM to 10PM |
| 9PM to 3AM | 4AM to 3PM | 7PM to 2PM |
| 3AM to 12AM | 4AM to 5AM | 9PM to 7AM |
